#include<stdio.h>
	int main()
{
	int a[5][5]; //{arr1,arr2,arr3,arr4,arr5}
//arr1{1,2,3,4,5},arr2{6,7,8,9,10},arr3{11,12,13,14,15},arr4{16,17,18,19,20},arr5{21,22,23,24,25};
//{1,2,3,4}{5,6,7,8}{9,10,11,12}{13,14,15,16}{17,18,19,20};
	int(*p)[4];
	p = a;          
	printf("%p,%d\n", &p[4][2] - &a[4][2], &p[4][2] - &a[4][2]);	
	//19-23
	//A B  C D E F，线性连续递增的数组地址，小-大溢出
	return 0;

}